News tagged with seed beetles

This beetle uses eggs as shields against wasps

(PhysOrg.com) -- New University of Arizona research has discovered that seed beetles from the desert Southwest shelter their broods from attacking parasitic wasps under a stack of dummy eggs.

Biology / Plants & Animals

created Sep 14, 2011 | popularity 5 / 5 (5) | comments 2 | with audio podcast

Lustful beetles desire water, not sex

(PhysOrg.com) -- Female seed beetles are known for their promiscuity, a surprising fact given that the males of the species have dangerously sharp spikes on their sex organs. Now a U of T Mississauga team ...

Biology / Plants & Animals

created Mar 05, 2009 | popularity 4.2 / 5 (5) | comments 0

Good males are bad fathers

Contrary to predictions, males of high genetic quality are not very successful when it comes to fertilizing eggs. A new study on seed beetles by Swedish and Danish scientists Göran Arnqvist and Trine Bilde shows that when ...

Biology / Plants & Animals

created Jun 25, 2009 | popularity 3.8 / 5 (4) | comments 2

Female choice benefits mothers more than offspring

The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...

Biology / Plants & Animals

created Oct 22, 2009 | popularity 3.7 / 5 (3) | comments 2

Mating that causes injuries

Researchers at Uppsala University can now show that what is good for one sex is not always good for the other sex. In fact, evolutionary conflicts between the two sexes cause characteristics and behaviors that are downright ...

Biology /

created Feb 20, 2009 | popularity 2.5 / 5 (2) | comments 0